<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>reset-all-styles</title>
    <style>
        .reset-all-styles {
            all: initial;
        }
    </style>
</head>

<body>
    <div class="reset-all-styles">
        <h5>title</h5>
        <p>
            Lorem ipsum dolor sit amet consectetur adipisicing elit. Iure id
            exercitationem nulla qui repellat laborum vitae, molestias tempora velit
            natus. Quas, assumenda nisi. Quisquam enim qui iure, consequatur velit sit?
        </p>
    </div>
</body>

</html>